diff --git a/consensusj-exchange/build.gradle b/consensusj-exchange/build.gradle
index 0772bd6b..9eb69848 100644
--- a/consensusj-exchange/build.gradle
+++ b/consensusj-exchange/build.gradle
@@ -2,7 +2,7 @@ plugins {
     id 'java-library'
 }
 
-def xChangeVersion = '4.4.2'
+def xChangeVersion = '5.1.1'
 
 dependencies {
     api "javax.money:money-api:${javaMoneyApiVersion}"